Persistent isokinetic knee flexion strength deficits at the time of return to sport are not associated with a second ACL injury. - Sundberg, Axel; Senorski, Rebecca Hamrin; Högberg, Johan; Piussi, Ramana; Samuelsson, Kristian; Thomeé, Roland; Senorski, Eric Hamrin (Knee Surgery, Sports Traumatology, Arthroscopy, 2025)